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        Semiconductor parts containing 451 
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Philips Semiconductors 
| Part | Description |  
| SC80C451CCA68 | 3.5-12 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC80C451CCN64 | Microcontroller |  
| SC80C451CGA68 | 3.5-16 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC80C451CGN64 | Microcontroller |  
| SC83C451AA0A68 | Microcontroller |  
| SC83C451AA0I64 | Microcontroller |  
| SC83C451AA0N64 | Microcontroller |  
| SC83C451AA1A68 | Microcontroller |  
| SC83C451AA1I64 | Microcontroller |  
| SC83C451AA1N64 | Microcontroller |  
| SC83C451AA2A68 | Microcontroller |  
| SC83C451AA2I64 | Microcontroller |  
| SC83C451AA2N64 | Microcontroller |  
| SC83C451AC0A68 | Microcontroller |  
| SC83C451AC0I64 | Microcontroller |  
| SC83C451AC0N64 | Microcontroller |  
| SC83C451AC1A68 | Microcontroller |  
| SC83C451AC1I64 | Microcontroller |  
| SC83C451AC1N64 | Microcontroller |  
| SC83C451AC2A68 | Microcontroller |  
| SC83C451AC2I64 | Microcontroller |  
| SC83C451AC2N64 | Microcontroller |  
| SC83C451ACA68 | Microcontroller |  
| SC83C451ACN64 | Microcontroller |  
| SC83C451AGA68 | Microcontroller |  
| SC83C451AGN64 | Microcontroller |  
| SC83C451C0A68 | Microcontroller |  
| SC83C451C0N64 | Microcontroller |  
| SC83C451CBA68 | Microcontroller |  
| SC83C451CBN64 | Microcontroller |  
| SC83C451CCA68 | 3.5-12 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC83C451CCN64 | Microcontroller |  
| SC83C451CGA68 | 3.5-16 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC83C451CGN64 | Microcontroller |  
| SC87C451ABA68 | Microcontroller |  
| SC87C451ABIA | Microcontroller |  
| SC87C451ABL68 | Microcontroller |  
| SC87C451ABN64 | Microcontroller |  
| SC87C451ACA68 | Microcontroller |  
| SC87C451ACIA | Microcontroller |  
| SC87C451ACL68 | Microcontroller |  
| SC87C451ACN64 | Microcontroller |  
| SC87C451AGA68 | Microcontroller |  
| SC87C451AGIA | Microcontroller |  
| SC87C451AGL68 | Microcontroller |  
| SC87C451AGN64 | Microcontroller |  
| SC87C451CBA68 | Microcontroller |  
| SC87C451CBI64 | Microcontroller |  
| SC87C451CBIA | Microcontroller |  
| SC87C451CBL68 | Microcontroller |  
| SC87C451CBN64 | Microcontroller |  
| SC87C451CCA68 | 3.5-12 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC87C451CCI64 | Microcontroller |  
| SC87C451CCIA | Microcontroller |  
| SC87C451CCL68 | Microcontroller |  
| SC87C451CCN64 | Microcontroller |  
| SC87C451CGA68 | 3.5-16 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless, expanded I/O |  
| SC87C451CGI64 | Microcontroller |  
| SC87C451CGIA | Microcontroller |  
| SC87C451CGL68 | Microcontroller |  
| SC87C451CGN64 | Microcontroller |  
| TDA4510 | PAL decoder |  
| TDA4510N | TV/Video Circuits |  
| TDA4510/V9 | PAL decoder |  
| TDA8451 | TV/Video Circuits |  
| TDA8451A | P2CCD DELAY LINE AND MATRIX |  
  
PIRGO 
| Part | Description |  
| PG1451 | 80V Vcbo, 20A Ic Low frequency power silicon NPN transistor |  
  
Plessey Semiconductors 
 
PMD 
| Part | Description |  
| MC1451A | 4.75-5.25V; advanced step motor control chipset |  
| MC1451A-E | 4.75-5.25V; advanced step motor control chipset |  
  
PURDY 
| Part | Description |  
| AND2451 |  Standard Bright LED Lamps |  
| AND2451RGL | General purpose red/green color dome-style LED |  
  
PWRX 
| Part | Description |  
| A451 | GENERAL PURPOSE RECTIFIER |  
| A451L | 2000V, 2500A general purpose single diode |  
| A451LA | 2.5kA Iout, 2.1kV Vrrm General Purpose Silicon Rectifier |  
| A451LB | 2200V, 2500A general purpose single diode |  
| A451PD | 1400V, 2500A general purpose single diode |  
| A451PE | 2.5kA Iout, 1.5kV Vrrm General Purpose Silicon Rectifier |  
| A451PM | 1600V, 2500A general purpose single diode |  
| A451PN | 1800V, 2500A general purpose single diode |  
| A451PS | 2.5kA Iout, 1.7kV Vrrm General Purpose Silicon Rectifier |  
| A451PT | 2.5kA Iout, 1.9kV Vrrm General Purpose Silicon Rectifier |  
| C451 | Phase Control SCR 1500 Amperes Average 2400 Volts |  
| C451B | 200V, 1500A phase control single thyristor |  
| C451D | 400V, 1500A phase control single thyristor |  
| C451E1 | Phase control SCR. 1500A, 500V. |  
| C451E2 | Phase control SCR. 1400A, 500V. |  
| C451L | Phase Control SCR 1500 Amperes Average 2400 Volts |  
| C451LB | Phase Control SCR 1500 Amperes Average 2400 Volts |  
| C451LD | Phase Control SCR 1500 Amperes Average 2400 Volts |  
| C451M1 | Phase control SCR. 1500A, 600V. |  
| C451M2 | Phase control SCR. 1400A, 600V. |  
| C451M | 600V, 1500A phase control single thyristor |  
| C451N1 | Phase control SCR. 1500A, 800V. |  
| C451N2 | Phase control SCR. 1400A, 800V. |  
| C451N | 800V, 1500A phase control single thyristor |  
| C451P1 | Phase control SCR. 1500A, 1000V. |  
| C451P2 | Phase control SCR. 1400A, 1000V. |  
| C451P | 1000V, 1500A phase control single thyristor |  
| C451PA1 | Phase control SCR. 1500A, 1100V. |  
| C451PA2 | Phase control SCR. 1400A, 1100V. |  
| C451PB1 | Phase control SCR. 1500A, 1200V. |  
| C451PB2 | Phase control SCR. 1400A, 1200V. |  
| C451PB | 1200V, 1500A phase control single thyristor |  
| C451PC1 | Phase control SCR. 1500A, 1300V. |  
| C451PC2 | Phase control SCR. 1400A, 1300V. |  
| C451PD1 | Phase control SCR. 1500A, 1400V. |  
| C451PD2 | Phase control SCR. 1400A, 1400V. |  
| C451PD | 1400V, 1500A phase control single thyristor |  
| C451PE1 | Phase control SCR. 1500A, 1500V. |  
| C451PE2 | Phase control SCR. 1400A, 1500V. |  
| C451PM1 | Phase control SCR. 1500A, 1600V. |  
| C451PM2 | Phase control SCR. 1400A, 1600V. |  
| C451PM | 1600V, 1500A phase control single thyristor |  
| C451PN1 | Phase control SCR. 1500A, 1800V. |  
| C451PN2 | Phase control SCR. 1400A, 1800V. |  
| C451PN | Phase Control SCR 1500 Amperes Average 2400 Volts |  
| C451PS1 | Phase control SCR. 1500A, 1700V. |  
| C451PS2 | Phase control SCR. 1400A, 1700V. |  
| C451S1 | Phase control SCR. 1500A, 700V. |  
| C451S2 | Phase control SCR. 1400A, 700V. |  
| C451T1 | Phase control SCR. 1500A, 900V. |  
| C451T2 | Phase control SCR. 1400A, 900V. |  
| D7ST451010 | 500V Vcbo Low frequency power silicon NPN transistor |  
| D7ST451310 | 500V Vcbo Low frequency power silicon NPN transistor |  
| D7ST451510 | 500V Vcbo Low frequency power silicon NPN transistor |  
| D7ST451710 | 500V Vcbo Low frequency power silicon NPN transistor |  
| ED451013 | Thyristor Doubler |  
| ED451016 | Thyristor Doubler |  
| ED451021 | Thyristor Doubler |  
| ED451025 | Thyristor Doubler |  
| ED451213 | Thyristor Doubler |  
| ED451216 | Thyristor Doubler |  
| ED451221 | Thyristor Doubler |  
| ED451225 | Thyristor Doubler |  
| ED451413 | Thyristor Doubler |  
| ED451416 | Thyristor Doubler |  
| ED451421 | Thyristor Doubler |  
| ED451425 | Thyristor Doubler |  
| ED451613 | Thyristor Doubler |  
| ED451616 | Thyristor Doubler |  
| ED451621 | Thyristor Doubler |  
| ED451625 | Thyristor Doubler |  
| ED451813 | Thyristor Doubler |  
| ED451816 | Thyristor Doubler |  
| ED451821 | Thyristor Doubler |  
| ED451825 | Thyristor Doubler |  
| JD334510 | BJT and MOS-BJT Power Modules |  
| JD434515 | BJT and MOS-BJT Power Modules |  
| JQ224510 | MOSFET Power Modules |  
| JR224510 | MOSFET Power Modules |  
| JS224510 | MOSFET Power Modules |  
| JT234510 | BJT and MOS-BJT Power Modules |  
| KC324510 | BJT and MOS-BJT Power Modules |  
| KC324515 | BJT and MOS-BJT Power Modules |  
| KD324510 | 600V, 100A Dual Darlington transistor module |  
| KD324510HB | BJT and MOS-BJT Power Modules |  
| KD32451510 | BJT and MOS-BJT Power Modules |  
| KD324515 | 600V, 150A Dual Darlington transistor module |  
| KD324515HB | BJT and MOS-BJT Power Modules |  
| KE524510 | BJT and MOS-BJT Power Modules |  
| KE524510HB | BJT and MOS-BJT Power Modules |  
| KE524515HB | BJT and MOS-BJT Power Modules |  
| KET24510HB | BJT and MOS-BJT Power Modules |  
| KET24515HB | BJT and MOS-BJT Power Modules |  
| KQ324510 | BJT and MOS-BJT Power Modules |  
| KQ324515 | BJT and MOS-BJT Power Modules |  
| KR324510 | BJT and MOS-BJT Power Modules |  
| KR324515 | BJT and MOS-BJT Power Modules |  
| KS22451010 | BJT and MOS-BJT Power Modules |  
| KS224510 | 600V, 100A Single Darlington transistor module |  
| KS22451510 | BJT and MOS-BJT Power Modules |  
| KS224515 | 600V, 150A Single Darlington transistor module |  
| KT224510 | BJT and MOS-BJT Power Modules |  
| KT224512 | BJT and MOS-BJT Power Modules |  
| KT224515 | BJT and MOS-BJT Power Modules |  
| KT234510 | Split-Dual Bipolar Power Module (100 Amperes/600 Volts) |  
| RA2F4510AS | 1kA Iout, 4.5kV Vrrm Fast Recovery Rectifier |  
| RA2P4510YF | 1.0kA Iout, 4.5kV Vrrm Fast Recovery Rectifier |  
  
QT 
| Part | Description |  
| MR3451 | Resistor Led Lamp. T-1 3/4 Integral Resistor Diffused Lens |  
| MR34519.MP5 | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Top View |  
| MR34519.MP6 | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View |  
| MR34519-MP6 | PCB MOUNT LED INDICATORS |  
| MR34519.MP7 | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View |  
| MR34519-MP7 | PCB MOUNT LED INDICATORS |  
| MR34519.MP8 | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View |  
| MR34519-MP8 | PCB MOUNT LED INDICATORS |  
| MR34519.MP8A | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View |  
| MR34519.MP8B | Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View |  
| MR34519-MP8B | PCB MOUNT LED INDICATORS |  
| MV6451 | Led Lamp. T-1 3/4 Maximum Contrast |  
  
RAYRF 
| Part | Description |  
| 2N3451 | Transistors, Bipolar, Si PNP Low-Pwr HF |  
| RMPA2451-58 | 2.4-2.5 GHz  GaAs power amplifier MMIC |  
| RMPA2451B-58 | 2.4-2.5 GHz  GaAs power amplifier MMIC |  
  
RCA Semiconductors 
 
RECOM 
| Part | Description |  
| REC10-4512DRWL | 10W DC/DC converter with 45V input, +-12/+-416mA output |  
| REC10-4512DRWLZ | 10W DC/DC converter with 45V input, +-12/+-416mA output |  
| REC10-4512SRWL | 10W DC/DC converter with 45V input, 12/830mA output |  
| REC10-4512SRWLZ | 10W DC/DC converter with 45V input, 12/830mA output |  
| REC10-4515DRWL | 10W DC/DC converter with 45V input, +-15/+-333mA output |  
| REC10-4515DRWLZ | 10W DC/DC converter with 45V input, +-15/+-333mA output |  
| REC10-4515SRWL | 10W DC/DC converter with 45V input, 15/670mA output |  
| REC10-4515SRWLZ | 10W DC/DC converter with 45V input, 15/670mA output |  
| REC15-4512DRWB | 15W DC/DC converter with 45V input, +-12/+-625mA output |  
| REC15-4512DRWBZ | 15W DC/DC converter with 45V input, +-12/+-625mA output |  
| REC15-4512SRWB | 15W DC/DC converter with 45V input, 12/1250mA output |  
| REC15-4512SRWBZ | 15W DC/DC converter with 45V input, 12/1250mA output |  
| REC15-4515DRWB | 15W DC/DC converter with 45V input, +-15/+-500mA output |  
| REC15-4515DRWBZ | 15W DC/DC converter with 45V input, +-15/+-500mA output |  
| REC15-4515SRWB | 15W DC/DC converter with 45V input, 15/1000mA output |  
| REC15-4515SRWBZ | 15W DC/DC converter with 45V input, 15/1000mA output |  
| REC3-4512DRW | 3W DC/DC converter with 45V input, +-12V/+-125mA output |  
| REC3-4512DRWZ | 3W DC/DC converter with 45V input, +-12V/+-125mA output |  
| REC3-4512SRW | 3W DC/DC converter with 45V input, 12V/250mA output |  
| REC3-4512SRWZ | 3W DC/DC converter with 45V input, 12V/250mA output |  
| REC3-4515DRW | 3W DC/DC converter with 45V input, +-15V/+-100mA output |  
| REC3-4515DRWZ | 3W DC/DC converter with 45V input, +-15V/+-100mA output |  
| REC3-4515SRW | 3W DC/DC converter with 45V input, 15V/200mA output |  
| REC3-4515SRWZ | 3W DC/DC converter with 45V input, 15V/200mA output |  
| REC5-4512DRW | 5W DC/DC converter with 45V input, +-12V/+-230mA output, 2kV isolation |  
| REC5-4512DRWL | 5W DC/DC converter with 45V input, +-12V/+-208mA output |  
| REC5-4512DRWLZ | 5W DC/DC converter with 45V input, +-12V/+-208mA output |  
| REC5-4512DRWZ | 5W DC/DC converter with 45V input, +-12V/+-230mA output, 2kV isolation |  
| REC5-4512SRW | 5W DC/DC converter with 45V input, 12V/470mA output, 2kV isolation |  
| REC5-4512SRWL | 5W DC/DC converter with 45V input, 12V/417mA output |  
| REC5-4512SRWLZ | 5W DC/DC converter with 45V input, 12V/417mA output |  
| REC5-4512SRWZ | 5W DC/DC converter with 45V input, 12V/470mA output, 2kV isolation |  
| REC5-4515DRW | 5W DC/DC converter with 45V input, +-15V/+-190mA output, 2kV isolation |  
| REC5-4515DRWL | 5W DC/DC converter with 45V input, +-15V/+-167mA output |  
| REC5-4515DRWLZ | 5W DC/DC converter with 45 input, +-15V/+-167mA output |  
| REC5-4515DRWZ | 5W DC/DC converter with 45V input, +-15V/+-190mA output, 2kV isolation |  
| REC5-4515SRW | 5W DC/DC converter with 45V input, 15V/400mA output, 2kV isolation |  
| REC5-4515SRWL | 5W DC/DC converter with 45V input, 15V/333mA output |  
| REC5-4515SRWLZ | 5W DC/DC converter with 45V input, 15V/333mA output |  
| REC5-4515SRWZ | 5W DC/DC converter with 45V input, 15V/400mA output, 2kV isolation |  
| REC8-4512DRWL | 8W DC/DC converter with 45V input, +-12V/+-335mA output |  
| REC8-4512SRWL | 8W DC/DC converter with 45V input, 12V/670mA output |  
| REC8-4515DRWL | 8W DC/DC converter with 45V input, +-15V/+-267mA output |  
| REC8-4515SRWL | 8W DC/DC converter with 45V input, 15V/533mA output |  
  
RELL 
| Part | Description |  
| 1N4510 | 12A Iout, 1.0kV Vrrm General Purpose Silicon Rectifier |  
| 1N4511 | 12A Iout, 1.2kV Vrrm General Purpose Silicon Rectifier |  
| C451E1 | 500V V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451E | 500V V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451E2 | 500V V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451L | 2.0kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LA | 2.1kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LB | 2.2kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LC | 2.3kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LD | 2.4kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LE | 2.5kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451LM | 2.6kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451M1 | 600V V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451M | 600V V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451M2 | 600V V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451N1 | 800V V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451N | 800V V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451N2 | 800V V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451P1 | 1.0kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451P | 1.0kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451P2 | 1.0kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PA1 | 1.1kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PA | 1.1kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PA2 | 1.1kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PB1 | 1.2kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PB | 1.2kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PB2 | 1.2kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PC1 | 1.3kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PC | 1.3kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PC2 | 1.3kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PD1 | 1.4kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PD | 1.4kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PD2 | 1.4kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PE1 | 1.5kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PE | 1.5kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PE2 | 1.5kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PM1 | 1.6kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PM | 1.6kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451PM2 | 1.6kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PN1 | 1.8kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PN | 1.8kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451PN2 | 1.8kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PS1 | 1.7kV V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451PS | 1.7kV V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451PS2 | 1.7kV V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451PT | 1.9kV V[drm] Max., 1.3kA I[T] Max. Silicon Controlled Rectifier |  
| C451S1 | 700V V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451S | 700V V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451S2 | 700V V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
| C451T1 | 900V V[drm] Max., 1.5kA I[T] Max. Silicon Controlled Rectifier |  
| C451T | 900V V[drm] Max., 1.30kA I[T] Max. Silicon Controlled Rectifier |  
| C451T2 | 900V V[drm] Max., 1.4kA I[T] Max. Silicon Controlled Rectifier |  
  
RENES 
 
RFE 
| Part | Description |  
| JMV0603S140T451 | MULTILAYER CHIP VARISTOR JMV S & E Series: (SMD Surge Protection) |  
| JMV0805S5R6T451 |  MULTILAYER CHIP VARISTOR JMV S & E Series: (SMD Surge Protection) |  
  
RF Micro Devices 
 
RHMBS 
| Part | Description |  
| F-1451 | Common Mode Choke |  
| SIP4-451 | SIP4 Series 5-Tap High Performance Passive Delay Modules |  
| T-10451 | ISDN S Interface Transformer |  
| T-13451 |  ISDN S Interface Transformer |  
| T-14510 | T1/CEPT/ISDN PRI INTERFACE TRANSFORMER |  
| T-14512 |  T1/CEPT/ISDN PRI INTERFACE TRANSFORMER |  
| T-14513 |  T1/CEPT/ISDN PRI INTERFACE TRANSFORMER |  
  
Ricoh Company, Ltd. 
| Part | Description |  
| R1110N451ATL | Low noise 150mA L.D.O. regulator. Output voltage 4.5V. "L" active type. Taping specification TL |  
| R1110N451ATR | Low noise 150mA L.D.O. regulator. Output voltage 4.5V. "L" active type. Standard taping specification TR. |  
| R1110N451BTL | Low noise 150mA L.D.O. regulator. Output voltage 4.5V. "H" active type. Taping specification TL |  
| R1110N451BTR | Low noise 150mA L.D.O. regulator. Output voltage 4.5V. "H" active type. Standard taping specification TR. |  
| R1111N451A-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. "L" active type. Taping specification TL |  
| R1111N451A-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. "L" active type. Standard taping specification TR |  
| R1111N451B-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. "H" active type. Taping specification TL |  
| R1111N451B-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. "H" active type. Standard taping specification TR |  
| R1113Z451A-EX | LOW NOISE 150mA LDO REGULATOR |  
| R1113Z451A-TL | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active low type. Taping type TL. |  
| R1113Z451A-TR | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active low type. Standart taping type TR. |  
| R1113Z451B-TL | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active high type. Taping type TL. |  
| R1113Z451B-TR | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active high type. Standart taping type TR. |  
| R1120N451A-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. "L" active type. Taping specification TL. |  
| R1120N451A-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. "L" active type. Standard taping specification TR |  
| R1120N451B-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. H active type. Taping specification TL. |  
| R1120N451B-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. "H" active type. Standard taping specification TR. |  
| R1121N451A-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. Active L type. Taping specification TL. |  
| R1121N451A-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. Active L type. Standard taping specification TR. |  
| R1121N451B-TL | Low noise 150mA LDO regulator. Output voltage 4.5V. Active H type. Taping specification TL. |  
| R1121N451B-TR | Low noise 150mA LDO regulator. Output voltage 4.5V. Active H type. Standard taping specification TR. |  
| R1122N451A-TL | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active L type. Taping type TL. |  
| R1122N451A-TR | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active L type. Standard taping type TR. |  
| R1122N451B-TL | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active H type. Taping type TL. |  
| R1122N451B-TR | Low noise 150mA LDO regulator IC. Output voltage 4.5V. Active H type. Standard taping type TR. |  
| R1172H451A | POWER MANAGEMENT ICs MARK INFORMATIONS |  
| R1172H451B |  POWER MANAGEMENT ICs MARK INFORMATIONS |  
| R1172H451D | POWER MANAGEMENT ICs MARK INFORMATIONS |  
| R1172N451B |  SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO |  
| R1173D451B |  Super low on resistance/Low voltage LDO |  
| R1173D451D |  Super low on resistance/Low voltage LDO |  
| R1173H451B | SERIES MARK SPECIFICATION |  
| R1173H451D | Super low on resistance/Low voltage LDO |  
| R1210N451C |  POWER MANAGEMENT ICs MARK INFORMATIONS R1210N SERIES MARK SPECIFICATION |  
| R1210N451C-TL | PWM step-up DC/DC converter. Output voltage 4.5V. Oscillator frequency 100kHz without a frequency change-over cicuit. Taping specification TL |  
| R1210N451C-TR | PWM step-up DC/DC converter. Output voltage 4.5V. Oscillator frequency 100kHz without a frequency change-over cicuit. Standard taping specification TR |  
| R1210N451D-TL | PWM step-up DC/DC converter. Output voltage 4.5V. Oscillator frequency 180kHz without a frequency change-over cicuit. Taping specification TL |  
| R1210N451D-TR | PWM step-up DC/DC converter. Output voltage 4.5V. Oscillator frequency 180kHz without a frequency change-over cicuit. Standard taping specification TR |  
| R3111D451A |  LOW VOLTAGE DETECTOR |  
| R3111D451B | LOW VOLTAGE DETECTOR |  
| R3111E451A | LOW VOLTAGE DETECTOR |  
| R3111E451A-T1 | LOW VOLTAGE DETECTOR |  
| R3111E451A-TR | LOW VOLTAGE DETECTOR |  
| R3111E451A-TZ | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: Nch open drain. |  
| R3111E451C | LOW VOLTAGE DETECTOR |  
| R3111E451C-T1 | LOW VOLTAGE DETECTOR |  
| R3111E451C-TR | LOW VOLTAGE DETECTOR |  
| R3111E451C-TZ | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: CMOS |  
| R3111H451A | LOW VOLTAGE DETECTOR |  
| R3111H451A-T1 | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: Nch open drain. |  
| R3111H451A-TR | LOW VOLTAGE DETECTOR |  
| R3111H451A-TZ | LOW VOLTAGE DETECTOR |  
| R3111H451C | LOW VOLTAGE DETECTOR |  
| R3111H451C-T1 | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: CMOS |  
| R3111H451C-TR | LOW VOLTAGE DETECTOR |  
| R3111H451C-TZ | LOW VOLTAGE DETECTOR |  
| R3111N451A | LOW VOLTAGE DETECTOR |  
| R3111N451A-T1 | LOW VOLTAGE DETECTOR |  
| R3111N451A-TR | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: Nch open drain. Standard taping specification TR |  
| R3111N451A-TZ | LOW VOLTAGE DETECTOR |  
| R3111N451C | LOW VOLTAGE DETECTOR |  
| R3111N451C-T1 | LOW VOLTAGE DETECTOR |  
| R3111N451C-TR | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: CMOS. Standard taping specification TR |  
| R3111N451C-TZ | LOW VOLTAGE DETECTOR |  
| R3111Q451A | LOW VOLTAGE DETECTOR |  
| R3111Q451A-T1 | LOW VOLTAGE DETECTOR |  
| R3111Q451A-TR | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: Nch open drain. Standard taping specification TR |  
| R3111Q451A-TZ | LOW VOLTAGE DETECTOR |  
| R3111Q451B | LOW VOLTAGE DETECTOR |  
| R3111Q451C | LOW VOLTAGE DETECTOR |  
| R3111Q451C-T1 | LOW VOLTAGE DETECTOR |  
| R3111Q451C-TR | Low voltage detector. Detector threshold (-Vdet) 4.5V. Output type: CMOS. Standard taping specification TR |  
| R3111Q451C-TZ | LOW VOLTAGE DETECTOR |  
| R3112D451A |  R3112D SERIES MARK SPECIFICATION |  
| R3112D451C |  R3112D SERIES MARK SPECIFICATION |  
| R3112N451A | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112N451A-TR | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112N451C | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112N451C-TR | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112Q451A | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112Q451A-TR | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112Q451C | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3112Q451C-TR | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3115Z451A |  LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| R3115Z451C | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |  
| RH5RH451A-T1 | PWM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver (oscillator frequency 50kHz). Taping type T1 |  
| RH5RH451A-T2 | PWM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver (oscillator frequency 50kHz). Taping type T2 |  
| RH5RI451B-T1 | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver (oscillator frequency 100kHz) Taping type T1 |  
| RH5RI451B-T2 | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver (oscillator frequency 100kHz) Taping type T2 |  
| RN5RK451A-TL | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver. Duty cycle 77%. Taping type TL |  
| RN5RK451A-TR | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver. Duty cycle 77%. Standard taping type TR |  
| RN5RK451B-TL | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver. Duty cycle 55%. Taping type TL |  
| RN5RK451B-TR | VFM step-up DC/DC converter. Output voltage 4.5V. Internal Lx Tr. driver. Duty cycle 55%. Standard taping type TR |  
| RN5RY451A-TL | VFM step-up DC/DC converter controller. Output voltage 4.5V. Taping type TL |  
| RN5RY451A-TR | VFM step-up DC/DC converter controller. Output voltage 4.5V. Standard taping type TR |  
| RN5RY451C | VFM step-up DC/DC converter controller. Output voltage 4.5V. Antistatic bag for samples |  
  
ROHM Co. 
| Part | Description |  
| 2SB1451 | 1.2W PACKAGE POWER TAPED TRANSISTOR DESIGNED FOR USE WITH AN AUTOMATIC PLACEMENT MECHINE |  
| 2SD2451 | V(ceo): 160V; I(c): 1.5A; high power transistor. For an automatic placement machine |  
| 2SD2451N | Transistors, Bipolar, Si NPN Low-Power |  
| 2SD2451P | Transistors, Bipolar, Si NPN Low-Power |  
| 2SD2451Q | Transistors, Bipolar, Si NPN Low-Power |  
| BA1451 | AM radio / FM IF stereo system IC |  
| BA1451F | AM radio / FM IF stereo system IC |  
| BA4510 | Dual high slew rate operational amplifier |  
| BA4510F | Dual high slew rate operational amplifier |  
| BA4510FV | Dual high slew rate operational amplifier |  
| BD45451G | VOLTAGE DETECTOR IC |  
| BD46451 |  Counter Timer Built-in CMOS Voltage Detector IC |  
| BD46451G | VOLTAGE DETECTOR IC |  
| BU4516B | Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet. |  
| BU4516BF | Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet. |  
| RB451F | Schottky barrier diode |  
  
Semelab Plc. 
 
SANYO Electric Co., Ltd. 
| Part | Description |  
| 2SB1451 | PNP epitaxial planar silicon transistor, 80V/5A switching application |  
| 2SB1451Q | Transistors, Bipolar, Si PNP Power |  
| 2SB1451R | Transistors, Bipolar, Si PNP Power |  
| 2SB1451S | Transistors, Bipolar, Si PNP Power |  
| 2SC3451 | NPN triple diffused planar silicon transistor, for switching regulator |  
| 2SC3451L | 800V Vcbo, 15A Ic Low frequency power silicon NPN transistor |  
| 2SC3451M | 800V Vcbo, 15A Ic Low frequency power silicon NPN transistor |  
| 2SC3451N | 800V Vcbo, 15A Ic Low frequency power silicon NPN transistor |  
| 2SC4451 | NPN triple diffused planar silicon transistor, high-voltage switching application |  
| 2SC4519-4 | Transistors, Bipolar, Si NPN Low-Pwr HF |  
| 2SC4519-5 | Transistors, Bipolar, Si NPN Low-Pwr HF |  
| 2SC4519-6 | Transistors, Bipolar, Si NPN Low-Pwr HF |  
| 2SC4519 | NPN epitaxial planar silicon transistor, high-speed switching application |  
| 2SK1451 | N-channel MOS silicon FET, very high-speed switching application |  
| LA4510 | AF power amplifier |  
| LA7451M | 2-channel noise reduction processor for 8-mm VCR PCM |  
| LC864512 | 8-Bit Single-Chip Microcontroller?????? |  
| LC864512A | 8-bit single chip microcontroller |  
| LC864516 | 8-Bit Single-Chip Microcontroller?????? |  
| LC864516A | 8-bit single chip microcontroller |  
| LV4512V | TV, VCR, and Video Camera Applications: TV and video tuner IC |  
| MLC4512B | Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet. |  
| SLP451B | LED Lamps, Special Shape |  
| SLP451B51 | LED Lamps, Special Shape |  
| STK5451 | 3-Output Series Regulator for VTR Use |  
  
SCHRT 
 
Semtech Corp. 
| Part | Description |  
| 1N4451 | SILICON EPITAXIAL PLANAR DIODE |  
| SC4510 | High-Performance Synchronous Buck Controller with Reference Tracking |  
| SC4510ITSTR | High-Performance Synchronous Buck Controller with Reference Tracking |  
| SC4510ITSTRT | High-Performance Synchronous Buck Controller with Reference Tracking |  
| SC451 | PowerStep IV® Portable IMVP-IV® and IMVP-IV+® Single-Phase Power-Supply Controller |  
| SC4517A | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
| SC4517AEVB | 1.25MHz, 1.5A Step-Down Switching Regulator |  
| SC4517AIML18TRT | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
| SC4517AIML25TRT | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
| SC4517AIML33TRT | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
| SC4517AIML50TRT | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
| SC4517AIMLTRT | 1.25 MHz 1.5 A Step-Down Switching Regulator |  
 
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